In Oracle, you can use the "select 'Drop table '||table_name||';' from all_tables where owner='User name to delete all tables';" statement to delete all tables under the specified user , the table name needs to be in uppercase letters
The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.
How to delete all tables in oracle
The syntax is:
select 'Drop table '||table_name||';' from all_tables where owner='要删除所有表的用户名(大写)';
The example is as follows:
Recommended tutorial: "Oracle Video Tutorial》
The above is the detailed content of How to delete all tables in oracle. For more information, please follow other related articles on the PHP Chinese website!
MySQL vs. Oracle: The Pros and ConsApr 14, 2025 am 12:01 AMMySQL and Oracle selection should be based on cost, performance, complexity and functional requirements: 1. MySQL is suitable for projects with limited budgets, is simple to install, and is suitable for small to medium-sized applications. 2. Oracle is suitable for large enterprises and performs excellently in handling large-scale data and high concurrent requests, but is costly and complex in configuration.
Oracle's Purpose: Business Solutions and Data ManagementApr 13, 2025 am 12:02 AMOracle helps businesses achieve digital transformation and data management through its products and services. 1) Oracle provides a comprehensive product portfolio, including database management systems, ERP and CRM systems, helping enterprises automate and optimize business processes. 2) Oracle's ERP systems such as E-BusinessSuite and FusionApplications realize end-to-end business process automation, improve efficiency and reduce costs, but have high implementation and maintenance costs. 3) OracleDatabase provides high concurrency and high availability data processing, but has high licensing costs. 4) Performance optimization and best practices include the rational use of indexing and partitioning technology, regular database maintenance and compliance with coding specifications.
How to delete oracle library failureApr 12, 2025 am 06:21 AMSteps to delete the failed database after Oracle failed to build a library: Use sys username to connect to the target instance. Use DROP DATABASE to delete the database. Query v$database to confirm that the database has been deleted.
How to create cursors in oracle loopApr 12, 2025 am 06:18 AMIn Oracle, the FOR LOOP loop can create cursors dynamically. The steps are: 1. Define the cursor type; 2. Create the loop; 3. Create the cursor dynamically; 4. Execute the cursor; 5. Close the cursor. Example: A cursor can be created cycle-by-circuit to display the names and salaries of the top 10 employees.
How to export oracle viewApr 12, 2025 am 06:15 AMOracle views can be exported through the EXP utility: Log in to the Oracle database. Start the EXP utility, specifying the view name and export directory. Enter export parameters, including target mode, file format, and tablespace. Start exporting. Verify the export using the impdp utility.
How to stop oracle databaseApr 12, 2025 am 06:12 AMTo stop an Oracle database, perform the following steps: 1. Connect to the database; 2. Shutdown immediately; 3. Shutdown abort completely.
What to do if the oracle log is fullApr 12, 2025 am 06:09 AMWhen Oracle log files are full, the following solutions can be adopted: 1) Clean old log files; 2) Increase the log file size; 3) Increase the log file group; 4) Set up automatic log management; 5) Reinitialize the database. Before implementing any solution, it is recommended to back up the database to prevent data loss.
How to create oracle dynamic sqlApr 12, 2025 am 06:06 AMSQL statements can be created and executed based on runtime input by using Oracle's dynamic SQL. The steps include: preparing an empty string variable to store dynamically generated SQL statements. Use the EXECUTE IMMEDIATE or PREPARE statement to compile and execute dynamic SQL statements. Use bind variable to pass user input or other dynamic values to dynamic SQL. Use EXECUTE IMMEDIATE or EXECUTE to execute dynamic SQL statements.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
SublimeText3 Linux new version
SublimeText3 Linux latest version
Atom editor mac version download
The most popular open source editor
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
SublimeText3 Mac version
God-level code editing software (SublimeText3)
